A man has been arrested on suspicion of murder after a fatal stabbing in Bury St Edmunds.
Officers were called to reports a man in his 50s had been stabbed at a house in Cumberland Avenue at 17:50 BST on Thursday.
A 43-year-old man is being questioned by police. Officers were seen guarding a property in nearby Lake Avenue.
At this stage it is believed that the victim and suspect were known to each other, Suffolk Police said.